Riga in September
The weather in September
In September, Riga averages daytime highs of 17° and night-time lows of 10° — mild weather by day. Expect around 75 mm of precipitation spread over about 12 wet days, with average cloud cover near 41%.
Days are 5.4° cooler than in August on average, and October is cooler again by about 6.8°. The sea averages 16°, too cold for most swimmers.
September scores 64/100 — fair conditions for sightseeing — and ranks 5th of the twelve months for Riga. For the most comfortable weather, consider May, June and July instead.
Around the middle of the month the sun rises at 06:54 and sets at 19:45 local time, giving 12 h 51 min of daylight. Days shorten by 138 minutes over the month.
Why 64/100?
How the score for September is builtBeach score this month: 16/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Festivals in Riga in September
- ArsenalsFilm festivalRiga
Only the month is given: the exact dates change from year to year.
Around Riga this month
Latvia's best in September
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Riga in September: quick answers
Is September a good time to visit Riga?
September scores 64/100 for Riga, which we rate as fair. Average highs are 17°C with 12 wet days.
How warm is Riga in September?
Daytime highs average 17°C and night-time lows 10°C in September.
Does it rain a lot in Riga in September?
Riga receives about 75 mm of precipitation in September, falling on around 12 days.
Can you swim in Riga in September?
The sea averages 16°C in September, cold for most swimmers.